/
order.go
162 lines (141 loc) · 4.14 KB
/
order.go
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package repository
import (
"fmt"
"time"
"github.com/8treenet/freedom"
"github.com/8treenet/freedom/example/fshop/domain/dependency"
"github.com/8treenet/freedom/example/fshop/domain/entity"
"github.com/8treenet/freedom/example/fshop/domain/po"
"github.com/8treenet/freedom/example/fshop/infra/domainevent"
"github.com/8treenet/freedom/infra/store"
"gorm.io/gorm"
)
func init() {
freedom.Prepare(func(initiator freedom.Initiator) {
//绑定创建资源库函数到框架,框架会根据客户的使用做依赖倒置和依赖注入的处理。
initiator.BindRepository(func() *OrderRepository {
return &OrderRepository{} //创建Order资源库
})
})
}
//实现领域模型内的依赖倒置
var _ dependency.OrderRepo = (*OrderRepository)(nil)
// OrderRepository .
type OrderRepository struct {
freedom.Repository
Cache store.EntityCache //实体缓存组件
EventManager *domainevent.EventManager //领域事件组件
}
// BeginRequest .
func (repo *OrderRepository) BeginRequest(worker freedom.Worker) {
repo.Repository.BeginRequest(worker)
//设置缓存的持久化数据源
repo.Cache.SetSource(func(result freedom.Entity) error {
orderEntity := result.(*entity.Order)
if e := findOrder(repo, &orderEntity.Order); e != nil {
return e
}
details, e := findOrderDetailList(repo, po.OrderDetail{OrderNo: orderEntity.OrderNo})
if e != nil {
return e
}
for _, v := range details {
orderEntity.Details = append(orderEntity.Details, &v)
}
return nil
})
}
//New 新建订单实体 .
func (repo *OrderRepository) New() (orderEntity *entity.Order, e error) {
orderNo := fmt.Sprint(time.Now().Unix())
orderEntity = &entity.Order{Order: po.Order{OrderNo: orderNo, Status: "NON_PAYMENT", Created: time.Now(), Updated: time.Now()}}
//注入基础Entity
repo.InjectBaseEntity(orderEntity)
return
}
// Save 保存订单实体
func (repo *OrderRepository) Save(orderEntity *entity.Order) (e error) {
if orderEntity.ID == 0 {
//新建
_, e = createOrder(repo, &orderEntity.Order)
if e != nil {
return
}
for i := 0; i < len(orderEntity.Details); i++ {
_, e = createOrderDetail(repo, orderEntity.Details[i])
if e != nil {
return
}
}
return repo.EventManager.Save(&repo.Repository, orderEntity) //持久化实体的事件
}
_, e = saveOrder(repo, orderEntity)
if e != nil {
return
}
for i := 0; i < len(orderEntity.Details); i++ {
_, e = saveOrderDetail(repo, orderEntity.Details[i])
if e != nil {
return
}
}
repo.Cache.Delete(orderEntity)
return
}
// Find .
func (repo *OrderRepository) Find(orderNo string, userID int) (orderEntity *entity.Order, e error) {
orderEntity = &entity.Order{Order: po.Order{OrderNo: orderNo, UserID: userID}}
e = findOrder(repo, &orderEntity.Order)
if e != nil {
return
}
list, e := findOrderDetailList(repo, po.OrderDetail{OrderNo: orderEntity.OrderNo})
if e != nil {
return
}
for _, v := range list {
orderEntity.Details = append(orderEntity.Details, &v)
}
//注入基础Entity
repo.InjectBaseEntity(orderEntity)
return
}
// Finds .
func (repo *OrderRepository) Finds(userID int, page, pageSize int) (entitys []*entity.Order, totalPage int, e error) {
pager := NewDescPager("id").SetPage(page, pageSize)
list, e := findOrderList(repo, po.Order{UserID: userID}, pager)
if e != nil {
return
}
for _, v := range list {
entitys = append(entitys, &entity.Order{Order: v})
}
for i := 0; i < len(entitys); i++ {
details, err := findOrderDetailList(repo, po.OrderDetail{OrderNo: entitys[i].OrderNo})
if err != nil {
e = err
return
}
for _, detail := range details {
entitys[i].Details = append(entitys[i].Details, &detail)
}
}
totalPage = pager.TotalPage()
//注入基础Entity
repo.InjectBaseEntitys(entitys)
return
}
// Get .
func (repo *OrderRepository) Get(orderNo string) (orderEntity *entity.Order, e error) {
orderEntity = &entity.Order{Order: po.Order{OrderNo: orderNo}}
//注入基础Entity
repo.InjectBaseEntity(orderEntity)
return orderEntity, repo.Cache.GetEntity(orderEntity)
}
func (repo *OrderRepository) db() *gorm.DB {
var db *gorm.DB
if err := repo.FetchDB(&db); err != nil {
panic(err)
}
return db
}